Remote Installation Server Bo Downey Support Engineer Microsoft Corporation

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Remote Installation ServerBo DowneySupport
EngineerMicrosoft Corporation
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Agenda

• Remote Installation overview
• Remote Installation Services (RIS)
• Booting PXE clients to the server
• Remote Installation components
• Pros and cons of RIS
• More information and questions

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Overview - Remote Installation

• Customer Requirements
• Ability to
• Roll out new OS to the enterprise in the most
  efficient way with little IT assistance
• Wipe PC clean and perform an unattended install
• Quickly recover the base OS in the event of
  failure or disaster
• Reduce TCO by allowing non-IT staff to install
  the OS on individual PCs (to avoid preinstalling)
• Customer value
• Reduced TCO across service, hardware, and
  software
• Basic disaster recovery

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Overview Remote Installation (continued)

• Feature Goals
• Enable remote installation of Windows 2000
  Professional
• Simplify server image management
• No hardware specific image, use Plug and Play for
  client hardware detection during setup
• Support OS and machine recovery in the event of
  failure leverage the IntelliMirror features
• Maintain ability to boot and function in a
  disconnected state
• Support for pre- and post- boot security

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Remote Installation - Architecture

• Install Server Pieces
• BINL Service (Boot Server)
• TFTPD Service
• SIS Service

• Remote Install Client Pieces
• PXE-based boot ROM
• Intels LSA or Awards PXE Code
• BIOS supporting boot load order

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Remote Install - Services

• BINL (Boot Information Negotiation Layer)
• The boot server service interacts with the DS
  and other boot servers to remote boot a client
• TFTPD (Trivial File Transfer Protocol)
• Protocol used to transfer files needed to remote
  boot, maintain, and troubleshoot a client
  computer
• SIS (Single Instance Storage)
• Used to reduce disk space requirements on boot
  server by removing duplicate files

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Remote Installation - How It WorksNew Client
Computer
Client Account
Client Account
Settings
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Remote Installation - Preboot

• PXE (preboot execution environment)
• Architecture that boot ROM code is based on
• Relies on DHCP and IP protocols (no RPL support)
• Examples include Intels LSA and Awards PXE
  client
• Image-based client/server interaction
• Clients request image for download
• Images are sequenced (Image1, 2, 3.and so on)
• Images are downloaded using TFTP protocol

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PXE Client/RIS Interaction

• Sample client/RIS interaction
• DHCP DISCOVER from client
• DHCP OFFER from DHCP server
• DHCP OFFER from RIS server
• DHCP REQUEST from client to DHCP
• DHCP ACK from DHCP server
• Client continues (if RIS/DHCP separate)
• DHCP DISCOVER from client
• DHCP OFFER from DHCP server
• DHCP OFFER from RIS server
• DHCP REQUEST from client to RIS server
• DHCP ACK from RIS server to client

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RIS/PXE and Routers

• With routers involved, must be configured to
  forward requests to RIS
• Be careful here of DHCP/RIS on same computer
• No multihomed RIS

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Remote Installation - Boot Disk

• Boot disk contains PXE code normally found on
  boot ROM
• Supports only 15 PCI NICs
• See Walk Through Document for listing
• Boot disk can be used to
• Remotely install an OS on non-remote boot
  ROM-enabled PCs
• Leverage maintenance and troubleshooting tools
  for clients without ROM

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Common Pitfalls with PXE

• Make sure RIS server is authorized in the Active
  Directory
• Check for PXE revision, especially when routers
  are involved (Rev .99N)
• DHCP and RIS on same system without any active
  DHCP scopes
• RIS server cannot be multihomed

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Remote Installation - Components

• RISetup.exe
• Server-side wizard used to complete the
  installation of an IntelliMirror server and add
  OS images
• OSChooser/CIW
• Preboot Client Installation Wizard used to set up
  and maintain a remote boot client
• Administration UI
• Property pages used to configure and customize
  the Remote Installation server and service

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Remote Installation - Components (continued)

• RIPrep
• Client-side wizard used to prepare and replicate
  an existing Windows 2000 installation
• Boot Floppy
• Used to remotely install existing PCs that lack a
  PXE- DHCP-based boot ROM support for the top 15
  highest-selling network cards
• Rogue Server Detection
• Provides administrators the ability to authorize
  specific remote installation servers on corporate
  network

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Remote Installation - RISetup

• RISetup
• Select the remote installation service optional
  component during SVR install
• Launched post the installation of Windows 2000
  Server
• Completes the installation of the Remote
  Installation Service

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Remote Installation - OSChooser

• Client Installation Wizard (OSChooser) is used
  to
• Install an OS on a PXE enabled client
• Restart a failed install attempt
• Maintain and troubleshoot a Remote Install client

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Remote Installation - Admin UI
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Remote Installation - RIPrep

• Used to prepare and replicate a client
  installation to RIS
• Leverages the existing Sysprep code to prepare a
  client installation
• Replicates single disk single partition image to
  a single RIS server
• Image made avail-able to remote boot-enabled
  clients for installation (different hardware
  supported)

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Pros and Cons of RIS

• Pros
• Easy to deploy and/or replace clients
• Clients can initiate and/or change installation
• Configurable to your organization
• Security
• Troubleshooting and diagnostics

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Pros and Cons of RIS (continued)

• Cons
• PXE technology is young
• Windows 2000 Professional only (currently)
• Not fully automated

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More Information

• Technical Library on http//www.microsoft.com/wind
  ows2000/
• Windows 2000 Deployment Planning Guide, Chapter 24

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